add_library_unity(duckdb_expression
                  OBJECT
                  aggregate_expression.cpp
                  case_expression.cpp
                  cast_expression.cpp
                  conjunction_expression.cpp
                  columnref_expression.cpp
                  comparison_expression.cpp
                  constant_expression.cpp
                  default_expression.cpp
                  function_expression.cpp
                  operator_expression.cpp
                  parameter_expression.cpp
                  star_expression.cpp
                  subquery_expression.cpp
                  window_expression.cpp)
set(ALL_OBJECT_FILES
    ${ALL_OBJECT_FILES} $<TARGET_OBJECTS:duckdb_expression>
    PARENT_SCOPE)
